Home / 21,433,365.28-29,577,925.74-11,643,731.20

Finding the Fourth Proportional to 21,433,365.28, 29,577,925.74 and 11,643,731.20

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Solution

The fourth proportional to 21,433,365.28, 29,577,925.74 and 11,643,731.20 is: 16,068,284.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433,365.28 : 29,577,925.74 = 11,643,731.20 : x
  2. Step 2: Convert to fraction form
    21,433,365.28/29,577,925.74 = 11,643,731.20/x
  3. Step 3: Cross multiply
    21,433,365.28x = 29,577,925.74 × 11,643,731.20
  4. Step 4: Simplify right side
    21,433,365.28x = 344,397,416,770,121.06
  5. Step 5: Solve for x
    x = 344,397,416,770,121.06/21,433,365.28
  6. Step 6: Final answer
    x = 16,068,284.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.